How to Care for Your Kitchen Knives So They Last a Lifetime
A good kitchen knife may be one of the most important tools you own.
Think about how often you reach for one. Chopping vegetables, slicing meat, dicing onions, preparing fruit, mincing herbs—the knife is involved in countless kitchen tasks.
Yet knives are also among the kitchen tools most likely to be mistreated.
They're tossed into drawers, left soaking in sinks, used on the wrong cutting surfaces, and allowed to become so dull that preparing dinner becomes more difficult than it needs to be.
Quality kitchen knives can provide years of dependable service when they're properly cared for.
Here are some simple ways to keep yours performing at their best.
1. Use the Right Knife for the Job
You don't need 20 different knives, but having a few basic ones makes food preparation easier.
Three knives can handle most everyday kitchen tasks:
- Chef's knife — chopping, slicing, dicing, and general food preparation
- Paring knife — peeling, trimming, and other small precision jobs
- Serrated knife — bread, tomatoes, and foods with a firm exterior and softer interior
Using the correct knife makes the job easier and helps protect the blade from unnecessary wear or damage.
And remember: a kitchen knife isn't a screwdriver, can opener, or pry bar.
Use it for food.
2. Choose Your Cutting Board Carefully
What you cut on affects how long your knife stays sharp.
Cutting boards made from knife-friendly materials such as wood or appropriate food-grade plastic are generally better choices than very hard surfaces.
Avoid routinely cutting directly on:
- Glass
- Granite
- Marble
- Ceramic plates
- Hard countertops
Those surfaces can dull a knife surprisingly quickly.
A cutting board doesn't simply protect your countertop.
It protects your knife too.
3. Wash Knives by Hand
After preparing dinner, it can be tempting to toss everything into the dishwasher.
Your good kitchen knives deserve a little more attention.
Washing them by hand with warm water, dish soap, and a soft sponge is generally the better approach. Dry them promptly rather than allowing them to remain wet.
This protects the blade and handle and prevents a sharp knife from being hidden among dishes where someone could accidentally grab it.
It only takes a minute.
4. Don't Leave Knives Soaking in the Sink
This is one of the simplest rules of knife care.
Don't put a sharp knife into a sink full of soapy water and walk away.
Someone reaching into the water may not see it.
Wash the knife, rinse it, dry it, and put it away.
That's better for the knife—and much safer for everyone in the kitchen.
5. Keep Your Knives Sharp
It may sound backward, but a dull knife can make kitchen work more difficult and potentially less safe because it may require more force to cut.
A properly maintained knife should do much of the work for you.
There are two related parts of knife maintenance:
Honing
Honing helps maintain the alignment of the knife's edge between sharpenings.
Sharpening
Sharpening actually removes a small amount of material to restore the cutting edge.
Depending on the knife and your experience, sharpening can be done with a sharpening stone, manual sharpener, electric sharpener, or professional sharpening service.
You don't necessarily need to sharpen a knife every week. How often it's needed depends on the knife and how frequently you use it.
The important thing is not to wait until cutting a tomato feels like sawing lumber.
6. Store Knives Properly
Throwing good knives loose into a drawer isn't ideal.
The blades can strike other utensils, dulling or damaging their edges. There's also the unpleasant possibility of reaching into the drawer and discovering the sharp edge with your fingers.
Better storage choices can include:
- Knife blocks
- Magnetic knife holders designed for proper knife storage
- In-drawer knife organizers
- Individual blade guards
Choose whichever method works best for your kitchen.
The goal is simple: protect both the blade and the person reaching for it.
7. Don't Scrape the Cutting Board With the Sharp Edge
We've probably all done this.
You finish chopping an onion and use the knife blade to scrape everything across the cutting board and into the pan.
Instead of dragging the sharp edge across the board, turn the knife over and use the spine of the blade—or use a bench scraper.
That small change can help preserve the cutting edge.
8. Quality Matters, but Care Matters Too
An expensive knife that is poorly maintained won't necessarily serve you better than a reasonably priced knife that's properly cared for.
When choosing kitchen knives, look for comfortable handles, appropriate blade construction, good balance, and a knife that feels secure in your hand.
Then take care of it.
You don't need the most expensive knife in the store.
You need a dependable knife that suits the way you cook—and one you're willing to maintain.
When Is It Time to Replace a Knife?
A good knife can last for many years, but nothing lasts forever.
Consider replacement if the knife is badly damaged, the handle has become unsafe, the blade is severely chipped, or professional sharpening can no longer restore a useful edge.
Don't replace a perfectly good knife simply because it's old.
Sometimes it just needs proper sharpening and a little attention.
Kitchen Common Sense
Here's our Kitchen Common Sense for the week:
Take care of the tools that take care of you.
A quality kitchen knife doesn't need complicated maintenance.
Use it for the job it was designed to do.
Cut on the right surface.
Wash it carefully.
Dry it promptly.
Store it safely.
Keep it sharp.
Those few habits can make food preparation easier and help a good knife provide dependable service for years.
And perhaps most importantly, remember this:
The best kitchen knife isn't necessarily the most expensive one. It's the one that fits your hand, does the job well, and is properly cared for.
That's Kitchen Common Sense.
About Total Kitchen Supply
At Total Kitchen Supply, our mission is simple: to provide dependable kitchen products, practical advice, and outstanding service to home cooks, churches, schools, restaurants, caterers, and commercial kitchens.
